{equations} is about the various environments to typeset displaystyle mathematics, e.g. equation and {align}. For general questions about mathematical typesetting use {math-mode}. Both tags are possible on the same question.

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5
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1answer
306 views

Adjust equation numbering indent relative to a \newenvironment

I was working on a new environment for the examples I explain for my lecture notes (fancy environment), but when I create an equation using the equation environment within my newly created example ...
5
votes
1answer
1k views

Centering xymatrix in equation environment

The xymatrix diagram does not seem to vertically align when grouped in an equation environment. For example, this code produces the following image (which seems to place the xymatrix 2.5em lower than ...
5
votes
3answers
1k views

Crop equations with preview package

Is it possible to avoid left space from equations previewed with preview package? \documentclass{minimal} \usepackage{amsmath} \usepackage[active,tightpage,displaymath]{preview} ...
4
votes
2answers
91 views

How to number two equations as one

\begin{align} ...
4
votes
2answers
447 views

Cross-references linking to wrong equations using `hyperref`

I have two macros I've defined that I use to set the context in which equations are numbered in my document. One that establishes something I call a 'block' in which equations are numbered, by ...
4
votes
2answers
621 views

System of linear equations wobbles

I tried to illustrate how to solve a system of linear equations but I don't come along with the different approaches to position the equations. They are shifted at some slides, e.g. if an arrow is ...
3
votes
1answer
768 views

Multiple equation numbers for a tikz picture

I am attempting to draw two related exact sequences in the same tikz picture, for alignment purposes. I currently have wrapped the tikzpicture environment in an equation environment, so that both ...
2
votes
1answer
3k views

Add an equation at the bottom of a two-column article

How can I place a two-column equation (a large equation that does not fit in one column) at the bottom of a page?
1
vote
1answer
101 views

How to get dots in between equation and equation numbers with equation is centrally aligned?

Add dots between equation and equation numbers without changing the equation's default center position?
18
votes
3answers
19k views

Adding letters to equation numbers

I want to number use a equation and add a letter to the equation number such as: f(x) =a x and g(x) = b x (3.1.1a,b) That is e.g. using \begin{equation} ... \label{eq} ...
15
votes
1answer
7k views

Adding line numbers to latex and respecting equations

It's often convenient to add line numbers to a page automatically and the lineno package generally does the trick. But I've had two problems with it It doesn't seem to align the line numbers with ...
12
votes
1answer
492 views

Put equation numbers in the sidemargin with Tufte-Latex class

In Tufte-Latex all captions etc. are in the side margin. I want to put the equation numbers there as well. Is it possible to do this?
11
votes
1answer
7k views

Change the type of equation numbering in document class article [duplicate]

Possible Duplicate: Continuous v. per-chapter/section numbering of figures, tables, and other document elements I have written my thesis in document class 'article' (don't ask me why). Now ...
10
votes
1answer
479 views

Bad position equation number Lualatex

If a math display is too wide, then the \eqno appears on the next line on the left instead of on the right as it should. Does anyone know how to solve this problem? This is an example: ...
10
votes
3answers
886 views

Too long equation without splitting

I am writing an equaition which is too long-wide. I don't want it to split. I tried to change the fontsize within the equation enviroment but it didn't work. I am using \documentclass[11pt]{article} ...
10
votes
2answers
617 views

Horizontal alignment within an equation using Tikz

I am trying to center horizontally the first terms of a system of equations inside the alignat environment. I don't know if Tikz is the right way to go, but as I might have to add some other ...
9
votes
5answers
1k views

How to subtract two equations?

I am trying to subtract one equation from another but I can't get it to display the way that I want. This is what I have right now. \begin{align*} &y&=2x+5\\ -&&\\ ...
8
votes
2answers
977 views

Avoid addition of spaces when using colorbox in equations

Colorbox adds some spaces when I use it in equations. E.g. in \documentclass[12pt]{article} \usepackage{xcolor} \begin{document} \colorbox{yellow}{${a^2}+b^2=c^2$} ...
8
votes
1answer
1k views

Coloured equation number (without changing colour of reference using hyperref)

I am working on a file where I am using the package hyperref so that the references to equations are linked and coloured. Here is a MWE: \documentclass{article} \usepackage{amsmath} ...
8
votes
1answer
7k views

Aligning the right parts in multiple \begin{cases}

Is there an intelligent way to left-align the parts right of & of the two cases environments shown below (if x >= 0, otherwise, if y < 0, otherwise). I wonder if there is a better way than ...
7
votes
3answers
2k views

How to use the command \autoref to implement the same effect when use the command \eqref?

For example, the first equation of Section 1 in a tex file is numbered in the form (1.1), When we use the commands \autoref and \eqref for referring it, the compiled pdf file will show Equation 1.1 ...
7
votes
4answers
564 views

Uneven display skips

Here is yet another attempt at this question. I've narrowed down a MWE: \documentclass{article} \usepackage{amsmath} \usepackage[amsmath,standard,thmmarks]{ntheorem} \begin{document} Integer ...
7
votes
1answer
2k views

Placing equation number on left with reqno option in amsart document class

Is there a way to force individual equations to place their equation numbers (or more specifically the result of a \tag*{blah}) on a specific side of the page regardless of the options to amsart. I ...
6
votes
2answers
197 views

Equations side-by-side, both numbers on the right

How can I typeset two equations side-by-side but get both equation numbers printed on the right? a = b c = d (1, 2) I need to reference both equations individually in the ...
6
votes
1answer
2k views

itemize equations

I would like to itemize some equations but they don't appear on the same line as the bullets. Here is a code example. \documentclass{article} \begin{document} \begin{itemize} \item\begin{equation*} ...
6
votes
2answers
7k views

How do you make numbered equations in latex?

I would like to put in a code that automatically assigns a number to the equations in my documents preferably aligned on the right hand side. How can I go about this? ...
6
votes
2answers
2k views

Problems using widetext.sty

I need to prepare a document for a journal and I'm using the twocolumn option in the article class. Now I have a horrible equation that makes use of the cases environment so it's hard to split up to ...
6
votes
1answer
452 views

Why should I ever use equation when I can always use align? [duplicate]

Possible Duplicate: align vs equation Is there any reason why I should use equation when I align seems to produce the same output? The reason I am asking is that I like solving math using ...
5
votes
1answer
61 views

Can I make footnote inside an equation?

Can I make a footnote to clarify an important point inside an equation?
5
votes
1answer
140 views

Labeling equations or the use of subequations

I am using the tabbing environment for a list of 5 related equations. \begin{tabbing} \hspace{.5cm} \= \hspace{.3cm} \= \hspace{3cm} \= \kill \(\mathbf{\Omega}\) \> \(=\) \> ...
5
votes
1answer
880 views

`\hfill`-like spacing in math mode without using `align`

In question 83509, a way of getting \hfill-like behaviour in the align environment is described, but for my purposes, I need one that works in the equation environment. (I want to display some ...
5
votes
3answers
399 views

Prevent equation labeling to change sizes

Everytime i change equation font size using \footnotesize the label (for example (3.12)) on the right side also changes its size. Is tere a way to change equation font size but not its label font ...
5
votes
2answers
295 views

Multiple split equations

I find myself again and again using a combination of the gather and aligned environments. So it would be nice to not have to write so much. In particular, it is often only clear after writing the ...
5
votes
3answers
469 views

How to number equations with a list environment

Hi I wish to number equations with a list environment \begin{itemize} \item Lol \begin{equation} y_t=h_t(\hat{x}_{t|t-1}) \end{equation} \end{itemize} I want y_t=h_t(\hat{x}_{t|t-1}) in the same ...
5
votes
2answers
720 views

Formatting Equation Numbers

I need the numbers of equations and brackets around to be in bold. Doing like this \usepackage{etoolbox} \pretocmd{\theequation}{\bf}{}{} only the number is produced in bold, how to bold brackets? ...
5
votes
2answers
1k views

How to number equations within theorem-like environments

I want to enumerate equations within theorem-like environments. Example: \documentclass[a4paper,10pt]{article} \usepackage{amsmath,amsthm} \newtheorem{theo}{Theorem}[section] % \begin{document} ...
5
votes
1answer
2k views

Of parallel texts, lists and display equations

In previous question concerned about taking notes while reading journal articles, I received an excellent answer proposing the use of parallel, parcolumns, and ledpar packages. However, I have the ...
4
votes
1answer
2k views

Left brace including several lines in eqnarray [duplicate]

How is it possible to make a brace and have something like this in a eqnarray block?
4
votes
1answer
168 views

Add \par only if last paragraph did not end with displayed math

Background: I have named "sections" (sections for rest of this question) which are conditionally displayed or suppressed based on parameters. To simplify the test case below, these are controlled by ...
4
votes
2answers
362 views

Vertically aligned \underbracket's in an equation

\[ \underbracket[0.5pt]{\left( \begin{array}{c} a \\ b \end{array} \right)}_{v_1} \qquad \underbracket[0.5pt]{\left( \begin{array}{c} a \\ b \\ c \end{array} \right)}_{v_2} \] gives I would like ...
4
votes
2answers
2k views

Equation numbers messed up

I'm writing a thesis as a collection of different articles. I'm treating each article as a chapter. The first article has Equations numbering A.1, A.2 etc and the second article has equation numbering ...
3
votes
1answer
120 views

Customizing Equation-Numbering / Labeling in IEEEeqnarray

I'm trying to label a set of functions as a specific number (9.125), like how equations are usually labeled with \begin{equation} or \begin{IEEEeqnarray}. I have been using \tag{} (with a customized ...
3
votes
3answers
153 views

subequation numbering in itemized list

This is what I generated for a set of equivalent definitions of positive semi-definiteness. \documentclass[10pt]{article} % for fancy math \usepackage{amsmath} % rank operator ...
3
votes
2answers
3k views

Align multiline equation with expression after equal sign

I am trying to align a multiline equation using array within the equation but it turns out it doesn't do very well. The code I am using is as follows: \begin{equation}\ \begin{array}{lcl} ...
3
votes
1answer
1k views

An environment to change the vertical space around a formula

Specially in beamer presentations, I use a custom environment to change the vertical space around a formula. The code is: \newenvironment{shrinkeq}[1] { \bgroup ...
2
votes
1answer
93 views

Equation Number Positioning in Align Environment

How do I control the space between the equation number and the right margin in the align environment?
2
votes
1answer
1k views

Highlight terms in equation mode

I am trying to add a green box around the first two terms in my equation (beta_0 and b_i). I also want to add a circle around the second term (b_i). Is it possible to do this in LaTeX? My code is ...
2
votes
1answer
4k views

Reference to a manually numbered equation

I want my equation's number to be "1'". I have done so through \tag{1'}. But now I don't know how to refer it in my document. Is there a method to call it or numbering equations like 1, 1', 1''?
2
votes
2answers
1k views

How to label an optimization problem with a label such as (P)?

I am trying to write an optimization problem in my document, and for convenience, to define a label to refer to it. I don't want to refer to it as equation (3), which I know how to do, I want to ...
0
votes
2answers
565 views

Cross-referencing an equation

So far I've always used non-labeled alignments with align*, but I think it's time for a small change. How do I refer to an alignment after creating it? I tried searching similar topics but I didn't ...